commit | f1ad5e7c9b5b2285606c4f15b18621a1ed3e0566 | [log] [tgz] |
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author | James Y Knight <jyknight@google.com> | Fri Jan 13 19:08:36 2017 +0000 |
committer | James Y Knight <jyknight@google.com> | Fri Jan 13 19:08:36 2017 +0000 |
tree | 7c289761eb16a0bc74462c577af376eb199242af | |
parent | 955ddfa4dfffde6f51b1a4d26e899f293986c0b3 [diff] |
Check for register clobbers when merging a vreg live range with a reserved physreg in RegisterCoalescer. Previously, we only checked for clobbers when merging into a READ of the physreg, but not when merging from a WRITE to the physreg. Differential Revision: https://reviews.llvm.org/D28527 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291942 91177308-0d34-0410-b5e6-96231b3b80d8